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Vodafone Smart first 7 vs ZTE Blade A3

Compare recorded specifications, size and practical differences.

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    Key differences

    Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

    • Weight

      Smart first 7: 54 g lighter

      Smart first 7:
      110 g
      Blade A3:
      164 g

    • Width

      Smart first 7: 13 mm narrower

      Smart first 7:
      62.8 mm
      Blade A3:
      75.8 mm

    • Screen diagonal

      Smart first 7: 2 in smaller diagonal

      Smart first 7:
      3.5 in
      Blade A3:
      5.5 in

    • Chipset

      Smart first 7:
      Spreadtrum SC7731G
      Blade A3:
      Mediatek MT6737T (28 nm)

    • Depth

      Blade A3: 3.8 mm thinner

      Smart first 7:
      12 mm
      Blade A3:
      8.2 mm

    • Height

      Smart first 7: 38 mm shorter

      Smart first 7:
      114.4 mm
      Blade A3:
      152.4 mm

    Physical size

    Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

    1. 1. Smart first 7

      Height:
      114.4 mm
      Width:
      62.8 mm
      Depth:
      12 mm +3.8 mm versus Blade A3

    2. 2. Blade A3

      Height:
      152.4 mm +38 mm versus Smart first 7
      Width:
      75.8 mm +13 mm versus Smart first 7
      Depth:
      8.2 mm

    Weight

    Bars start at zero and share a scale within this chart.

    1. 1. Smart first 7

      110 g

    2. 2. Blade A3

      164 g

      +54 g versus Smart first 7

    Screen size

    Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

    1. 1. Smart first 7

      Screen diagonal:
      3.5 in
      Aspect ratio (height:width):
      3:2
      Approximate rectangular screen area:
      36.5 cm²

    2. 2. Blade A3

      Screen diagonal:
      5.5 in
      Aspect ratio (height:width):
      16:9
      Approximate rectangular screen area:
      83.4 cm²

    Blade A3 has approximately 128.6% more rectangular screen area than Smart first 7.

    Memory variants

    Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

    Recorded RAM for Smart first 7, Blade A3, compared at the same storage capacity.
    StorageSmart first 7Blade A3
    32 GB Unknown 3 GB RAM
    Smart first 7: Original memory entry

    4 GB · 512 MB RAM

    Practical features

    Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

    1. Smart first 7

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 64 GB (dedicated slot)

    2. Blade A3

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 256 GB

    Battery capacity

    Capacity is not battery life. No endurance test is implied.

    Recorded battery capacity

    Bars start at zero and share a scale within this chart.

    1. 1. Smart first 7

      1400 mAh

    2. 2. Blade A3

      4000 mAh

      +2600 mAh versus Smart first 7

    Specifications

    Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

    1. Smart first 72. Blade A3

    Everyday essentials
    Everyday essentials — specifications for Smart first 7, Blade A3.
    SpecificationSmart first 7Blade A3
    Dimensions (HxWxD)
    • 114.4 Х 62.8 Х 12 mm
    • 152.4 Х 75.8 Х 8.2 mm
    Weight
    • 110 g
    • 164 g
    Technology
    • TFT TN
    • IPS LCD
    Screen size
    • 3.5" inch
    • 5.5" inch
    Screen resolution
    • 320 x 480 px
    • 720 x 1280 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 4 GB
    • 512 MB RAM
    • 32 GB
    • 3 GB RAM
    Memory card support
    • microSD
    • up to 64 GB (dedicated slot)
    • microSD
    • up to 256 GB
    Battery Capacity is not battery life. No endurance test is implied.
    • 1400 mAh
    • Removable Li-Ion
    • 4000 mAh
    • Non-removable Li-Ion
    Operating system OS
    • Android 5.1 (Lollipop)
    • Android 7.1 (Nougat)
    Chipset
    • Spreadtrum SC7731G
    • Mediatek MT6737T (28 nm)
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Smart first 7, Blade A3.
    SpecificationSmart first 7Blade A3
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors Unknown
    • 16M
    Screen area
    • 36.5 cm2
    • 83.4 cm2
    Screen format
    • 3:2 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 50.8%
    • 72.2%
    PPI /points per inch/
    • 165 PPI
    • 267 PPI
    Camera and Video
    Camera and Video — specifications for Smart first 7, Blade A3.
    SpecificationSmart first 7Blade A3
    Rear camera, main
    • 2 MP
    • Single
    • 13 MP
    • Single
    Camera specs
    • 2 MP
    • 13 MP
    • AF
    Functions Unknown
    • LED flash
    Video
    • 720p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 0 MP,
    • 5 MP
    • Dual
    Specifications Unknown
    • 5 MP 2 MP
    • depth sensor
    Performance
    Performance — specifications for Smart first 7, Blade A3.
    SpecificationSmart first 7Blade A3
    Processor CPU
    • Quad-core 1.3 GHz Cortex-A7
    • Quad-core 1.5 GHz Cortex-A53
    Graphics processor GPU
    • Mali-400MP2
    • Mali-T720MP2
    General specs
    General specs — specifications for Smart first 7, Blade A3.
    SpecificationSmart first 7Blade A3
    Release date
    • 2016
    • May
    • 2017
    • November
    Colors
    • Volcano Black
    • Tech White
    • Blue
    • Black
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 30 EUR
    • 150 EUR
    Battery life
    • Talking time- Up to 5 h (3G)
    		 Unknown
    Body build Unknown
    • plastic body
    Communication and Connectivity
    Communication and Connectivity — specifications for Smart first 7, Blade A3.
    SpecificationSmart first 7Blade A3
    SIM card
    • Mini-SIM
    • Dual SIM (Nano-SIM
    • dual stand-by)
    Network
    • Show all network frequencies: -2G - GSM 900 / 1800
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
    • 3(1800)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 39(1900)
    • 40(2300)
    • 41(2500)
    Speed
    • HSPA 21.1/5.76 Mbps
    • HSPA
    • LTE Cat4 150/50 Mbps
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • hotspot
    • Wi-Fi 802.11 b/g/n
    • Wi-Fi Direct
    • hotspot
    GPS
    • A-GPS only
    • Yes
    • with A-GPS
    USB
    • microUSB 2.0
    • microUSB 2.0
    Bluetooth
    • 2.1
    • A2DP
    • 4.1
    • A2DP
    • LE
    Music and Audio
    Music and Audio — specifications for Smart first 7, Blade A3.
    SpecificationSmart first 7Blade A3
    Radio
    • FM radio
    • FM radio
    Other features
    Other features — specifications for Smart first 7, Blade A3.
    SpecificationSmart first 7Blade A3
    Dop
    • Sensors No
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • proximity